I suggest digging deeper, you never know when a job comes along that if you can do that you'll get it because you can do it and others can't. Not all systems are new systems, the backbone of most of the internet is running on stuff from before most of us were born.
Being able to maintain and rework legacy systems is pretty lucrative and generally a requirement as your career progresses, trust me.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
I suggest digging deeper, you never know when a job comes along that if you can do that you'll get it because you can do it and others can't. Not all systems are new systems, the backbone of most of the internet is running on stuff from before most of us were born.
Being able to maintain and rework legacy systems is pretty lucrative and generally a requirement as your career progresses, trust me.